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. 2014 Mar 25;4(3):e004288.
doi: 10.1136/bmjopen-2013-004288.

Is adequate pain relief and time to analgesia associated with emergency department length of stay? A retrospective study

Catalina Sokoloff  1 , Raoul Daoust, Jean Paquet, Jean-Marc Chauny
Affiliations

Is adequate pain relief and time to analgesia associated with emergency department length of stay? A retrospective study

Catalina Sokoloff et al. BMJ Open. .

Abstract

Objectives: Evaluate the association of adequate analgesia and time to analgesia with emergency department (ED) length of stay (LOS).

Setting and design: Post hoc analysis of real-time archived data.

Participants: We included all consecutive ED patients ≥18 years with pain intensity >6 (verbal numerical scale from 0 to 10), assigned to an ED bed, and whose pain was re-evaluated less than 1 h after receiving analgesic treatment.

Outcome measures: The main outcome was ED-LOS in patients who had adequate pain relief (AR=↓50% pain intensity) compared with those who did not have such relief (NR).

Results: A total of 2033 patients (mean age 49.5 years; 51% men) met our inclusion criteria; 58.3% were discharged, and 41.7% were admitted. Among patients discharged or admitted, there was no significant difference in ED-LOS between those with AR (median (25th-75th centile): 9.6 h (6.3-14.8) and 18.2 h (11.6-25.7), respectively) and NR (median (25th-75th centile): 9.6 h (6.6-16.0) and 17.4 h (11.3-26.5), respectively). After controlling for confounding factors, rapid time to analgesia (not AR) was associated with shorter ED-LOS of discharged and admitted patients (p<0.001 and <0.05, respectively). When adjusting for confounding variables, ED-LOS is shortened by 2 h (95% CI 1.1 to 2.8) when delay to receive analgesic is <90 min compared with >90 min for discharged and by 2.3 h (95% CI 0.17 to 4.4) for admitted patients.

Conclusions: In our study, AR was not linked with short ED-LOS. However, rapid administration of analgesia was associated with short ED-LOS.

Keywords: Accident & Emergency Medicine.

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